Bosch Rexroth Pneumatics

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Series RAK

▶ angle of rotation: 30 - 270 ° ▶ Rotary wing drive, double-acting ▶ axis geometry: single

Working pressure min./max.	See table below
Ambient temperature min./max.	See table below
Medium temperature min./max.	-5°C / +60°C
Medium	Compressed air
Max. particle size	5 µm
Oil content of compressed air	0 mg/m³ - 1 mg/m³
Theoretical torque at	6 bar

Materials:

Housing	Aluminum, anodized
Seals	Acrylonitrile Butadiene Rubber
Axis	Steel

Technical Remarks
■	The pressure dew point must be at least 15 °C under ambient and medium temperature and may not exceed 3 °C.
■	The oil content of air pressure must remain constant during the life cycle.
■	Use only the approved oils from Bosch Rexroth, see chapter „Technical information“.

Frame size		RAK - 1S	RAK - 2S	RAK - 3S	RAK - 4S	RAK - 5S
Axis diameter	[mm]	4	5	6	8	10
Max. permissible axial bearing load	[N]	3	4	4	25	30
Max. permissible radial bearing load	[N]	30	40	50	300	400
Interior volume	[cm³]	1.4	4	12	21	43
Repetitive precision	[°]	4	4	4	4	4
Theoretical torque	[Nm]	0.15	0.38	1.2	2.1	4.1
Permissible kinetic energy	[J]	0.0006	0.001	0.002	0.003	0.007
Version		Single vane	Single vane	Single vane	Single vane	Single vane
Frame size		RAK - 5D
Axis diameter	[mm]	10
Max. permissible axial bearing load	[N]	30
Max. permissible radial bearing load	[N]	400
Interior volume	[cm³]	34
Repetitive precision	[°]	4
Theoretical torque	[Nm]	9.5
Permissible kinetic energy	[J]	0.007
Version		Double vane

Frame size	Compressed air connection	angle of rotation	Swivel time min./max.	Working pressure min./max.	Ambient temperature min./max.	Maximum operating frequency	Weight	Part No.
		[°]	[s]	[bar]	[°C]	[1/min]	[kg]
RAK - 1S	M5	90	0.03 / 0.3	2 / 7	-5 / +80	300	0.036	2705010100
RAK - 1S	M5	180	0.06 / 0.6	2 / 7	-5 / +80	180	0.036	2705010300
RAK - 2S	M5	30 - 180	0.08 / 0.8	2 / 7	-5 / +80	150	0.085	2705120300
RAK - 3S	M5	30 - 180	0.08 / 0.8	2 / 7	-5 / +80	150	0.17	2705130300
RAK - 4S	M5	30 - 180	0.1 / 1	2 / 10	-5 / +80	120	0.28	2705140300
RAK - 5S	G 1/8	30 - 270	0.2 / 2	2 / 10	-5 / +60	90	0.51	2705150400
RAK - 5D	G 1/8	30 - 90	0.2 / 2	2 / 10	-5 / +60	180	0.53	2705151400

Swivel time: The values indicated are for the max. angle of rotation.

Adjustable stop, Mounted on 2S, 3S, 4S, 5S and 5D at delivery

1) Minimum angle setting 30°. 2) Reference point stopper. 3) Locknut. 4) Fine adjust screw. 5) Mounting hole for magnet. 6) Swivel arm. 7) Swivel arm fixation screw. 8) Angle setting stopper. 9) Stopper mounting pitch 15°. 10) Oscillating angle.

RAK - 1S, Fixed angle of rotation

* Oscillating reference point
1) M3
2) 2 x M5

RAK - 2S, Adjustable angle of rotation

* Oscillating reference point
1) 2 x M5
2) Angle of rotation 30° to 180°
3) 3x M3, depth 6

RAK - 3S, Adjustable angle of rotation

* Oscillating reference point
1) 2 x M5
2) Angle of rotation 30° to 180°
3) 3x M3, depth 6

RAK - 4S, Adjustable angle of rotation

* Oscillating reference point
1) 2 x M5
2) Groove: 3x1.8
3) Angle of rotation 30° to 180°
4) 4x M5, depth 8

RAK - 5S, RAK - 5D, Adjustable angle of rotation

* Oscillating reference point
1) 2x G1/8
2) Groove: 4x2.5
3) Angle of rotation 30° to 270°
4) Angle of rotation 90°
5) 4x M5, depth 8

Accessories

1) Rotary actuator 2) Foot mounting 3) Flange mounting 4) Magnet 5) Sensor unit 6) Protective cover